Finding the Fourth Proportional to 1,384,129.80, 2,074,250.70 and 1,100,305.80
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Solution
The fourth proportional to 1,384,129.80, 2,074,250.70 and 1,100,305.80 is: 1,648,913.33
Step by Step Solution
- Step 1: Write the proportion equation
1,384,129.80 : 2,074,250.70 = 1,100,305.80 : x - Step 2: Convert to fraction form
1,384,129.80/2,074,250.70 = 1,100,305.80/x - Step 3: Cross multiply
1,384,129.80x = 2,074,250.70 × 1,100,305.80 - Step 4: Simplify right side
1,384,129.80x = 2,282,310,075,864.06 - Step 5: Solve for x
x = 2,282,310,075,864.06/1,384,129.80 - Step 6: Final answer
x = 1,648,913.33
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.